Dorchester Collection announces the appointment of Marion Ryan as area director of sales & marketing for its three UK hotels - The Dorchester and 45 Park Lane in London, and Coworth Park in Ascot, effective immediately. Marion replaces Matthew Rowlette, who after nearly five years at Dorchester Collection takes on a new venture in Dubai.Marion brings to Dorchester Collection over 20 years of extensive experience in the luxury hospitality industry, with her most recent role being as director of sales & marketing at Four Seasons Hotels UK Collection, overseeing a large sales and marketing team.